| No | Pattern | Freq | Relations |
|---|---|---|---|
| 1 | [prep] a [num] years ' | 7 |
|
| 2 | [prep] a [num] years ' | 7 |
|
| 3 | a [adj] [num] years ' | 9 |
|
| 4 | a [adj -er] [num] years ' | 7 |
|
| 5 | a further [num] years ' | 7 |
|
| 6 | a far [num] years ' | 7 |
|
| 7 | a [num] years ' [noun sg] | 13 |
|
| 8 | a [num] years ' [noun] | 13 |
|
| 9 | a [num] years ' time | 7 |
|
| 10 | a [num] years ' time | 7 |
|
